public static GameObject CreateCascadeDropDown(Resources resoures)
{
GameObject go = new GameObject("IMC Cascade Dropdown");
go.AddComponent <IMCCascadeDropdown>();
RectTransform goRT = go.AddComponent <RectTransform>();
goRT.anchoredPosition3D = Vector3.zero;
go.AddComponent <CanvasGroup>();
IMCDropdown[] dropdowns = new IMCDropdown[3];
for (int i = 0; i < dropdowns.Length; i++)
{
dropdowns[i] = CreateDropdown(resoures).GetComponent <IMCDropdown>();
RectTransform tempRT = dropdowns[i].GetComponent <RectTransform>();
tempRT.pivot = new Vector2(0, 1);
tempRT.anchorMin = new Vector2(0, 1);
tempRT.anchorMax = new Vector2(0, 1);
}
goRT.sizeDelta = new Vector2(dropdowns[0].sizeDelta.x * 3, dropdowns[0].sizeDelta.y);
for (int i = 0; i < dropdowns.Length; i++)
{
dropdowns[i].transform.SetParent(goRT);
dropdowns[i].GetComponent <RectTransform>().anchoredPosition3D = new Vector3(goRT.anchoredPosition3D.x + i * dropdowns[i].GetComponent <RectTransform>().sizeDelta.x, goRT.anchoredPosition3D.y, goRT.anchoredPosition3D.z);
}
return(go);
}
public virtual void OnCancel(BaseEventData eventData)
{
IMCDropdown dropdown = GetComponentInParent <IMCDropdown>();
if (dropdown)
{
dropdown.Hide();
}
}
/// <summary>
/// 通过参数dropDown返回对应m_dropDowns数组中的索引（如果没有对应的索引，则返回-1）
/// </summary>
public int GetDropDownsIndex(IMCDropdown dropDown)
{
if (dropDowns.Contains(dropDown))
{
for (int i = 0; i < dropDowns.Count; i++)
{
if (dropDown == dropDowns[i])
{
return(i);
}
}
}
return(-1);
}
public static GameObject CreateDropdown(Resources resources)
{
GameObject root = CreateUIElementRoot("IMC Dropdown", s_ThickElementSize);
GameObject label = CreateUIObject("Label", root);
GameObject arrow = CreateUIObject("Arrow", root);
GameObject template = CreateUIObject("Template", root);
GameObject viewport = CreateUIObject("Viewport", template);
GameObject content = CreateUIObject("Content", viewport);
GameObject item = CreateUIObject("Item", content);
GameObject itemBackground = CreateUIObject("Item Background", item);
GameObject itemCheckmark = CreateUIObject("Item Checkmark", item);
GameObject itemLabel = CreateUIObject("Item Label", item);
// Sub controls.
GameObject scrollbar = CreateScrollbar(resources);
scrollbar.name = "Scrollbar";
SetParentAndAlign(scrollbar, template);
IMCScrollbar scrollbarScrollbar = scrollbar.GetComponent <IMCScrollbar>();
scrollbarScrollbar.SetDirection(IMCScrollbar.Direction.BottomToTop, true);
RectTransform vScrollbarRT = scrollbar.GetComponent <RectTransform>();
vScrollbarRT.anchorMin = Vector2.right;
vScrollbarRT.anchorMax = Vector2.one;
vScrollbarRT.pivot = Vector2.one;
vScrollbarRT.sizeDelta = new Vector2(vScrollbarRT.sizeDelta.x, 0);
// Setup item UI components.
IMCText itemLabelText = itemLabel.AddComponent <IMCText>();
itemLabelText.raycast = false;
SetDefaultTextValues(itemLabelText);
itemLabelText.alignment = TextAnchor.MiddleLeft;
IMCImage itemBackgroundImage = itemBackground.AddComponent <IMCImage>();
itemBackgroundImage.color = new Color32(245, 245, 245, 255);
IMCImage itemCheckmarkImage = itemCheckmark.AddComponent <IMCImage>();
itemCheckmarkImage.sprite = resources.checkmark;
IMCToggle itemToggle = item.AddComponent <IMCToggle>();
itemToggle.targetGraphic = itemBackgroundImage;
itemToggle.graphic = itemCheckmarkImage;
itemToggle.isOn = true;
// Setup template UI components.
IMCImage templateImage = template.AddComponent <IMCImage>();
templateImage.sprite = resources.standard;
templateImage.type = IMCImage.Type.Sliced;
IMCScrollRect templateScrollRect = template.AddComponent <IMCScrollRect>();
templateScrollRect.content = (RectTransform)content.transform;
templateScrollRect.viewport = (RectTransform)viewport.transform;
templateScrollRect.horizontal = false;
templateScrollRect.movementType = IMCScrollRect.MovementType.Clamped;
templateScrollRect.verticalScrollbar = scrollbarScrollbar;
templateScrollRect.verticalScrollbarVisibility = IMCScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport;
templateScrollRect.verticalScrollbarSpacing = -3;
Mask scrollRectMask = viewport.AddComponent <Mask>();
scrollRectMask.showMaskGraphic = false;
IMCImage viewportImage = viewport.AddComponent <IMCImage>();
viewportImage.sprite = resources.mask;
viewportImage.type = IMCImage.Type.Sliced;
// Setup dropdown UI components.
IMCText labelText = label.AddComponent <IMCText>();
SetDefaultTextValues(labelText);
labelText.text = "Option A";
labelText.raycast = false;
labelText.alignment = TextAnchor.MiddleLeft;
IMCImage arrowImage = arrow.AddComponent <IMCImage>();
arrowImage.sprite = resources.dropdown;
IMCImage backgroundImage = root.AddComponent <IMCImage>();
backgroundImage.sprite = resources.standard;
backgroundImage.color = s_DefaultSelectableColor;
backgroundImage.type = IMCImage.Type.Sliced;
IMCDropdown dropdown = root.AddComponent <IMCDropdown>();
dropdown.targetGraphic = backgroundImage;
SetDefaultColorTransitionValues(dropdown);
dropdown.template = template.GetComponent <RectTransform>();
dropdown.captionText = labelText;
dropdown.itemText = itemLabelText;
// Setting default Item list.
itemLabelText.text = "Option A";
dropdown.options.Add(new IMCDropdown.OptionData {
text = "Option A"
});
dropdown.options.Add(new IMCDropdown.OptionData {
text = "Option B"
});
dropdown.options.Add(new IMCDropdown.OptionData {
text = "Option C"
});
// Set up RectTransforms.
RectTransform labelRT = label.GetComponent <RectTransform>();
labelRT.anchorMin = Vector2.zero;
labelRT.anchorMax = Vector2.one;
labelRT.offsetMin = new Vector2(10, 6);
labelRT.offsetMax = new Vector2(-25, -7);
RectTransform arrowRT = arrow.GetComponent <RectTransform>();
arrowRT.anchorMin = new Vector2(1, 0.5f);
arrowRT.anchorMax = new Vector2(1, 0.5f);
arrowRT.sizeDelta = new Vector2(20, 20);
arrowRT.anchoredPosition = new Vector2(-15, 0);
RectTransform templateRT = template.GetComponent <RectTransform>();
templateRT.anchorMin = new Vector2(0, 0);
templateRT.anchorMax = new Vector2(1, 0);
templateRT.pivot = new Vector2(0.5f, 1);
templateRT.anchoredPosition = new Vector2(0, 2);
templateRT.sizeDelta = new Vector2(0, 150);
RectTransform viewportRT = viewport.GetComponent <RectTransform>();
viewportRT.anchorMin = new Vector2(0, 0);
viewportRT.anchorMax = new Vector2(1, 1);
viewportRT.sizeDelta = new Vector2(-18, 0);
viewportRT.pivot = new Vector2(0, 1);
RectTransform contentRT = content.GetComponent <RectTransform>();
contentRT.anchorMin = new Vector2(0f, 1);
contentRT.anchorMax = new Vector2(1f, 1);
contentRT.pivot = new Vector2(0.5f, 1);
contentRT.anchoredPosition = new Vector2(0, 0);
contentRT.sizeDelta = new Vector2(0, 28);
RectTransform itemRT = item.GetComponent <RectTransform>();
itemRT.anchorMin = new Vector2(0, 0.5f);
itemRT.anchorMax = new Vector2(1, 0.5f);
itemRT.sizeDelta = new Vector2(0, 20);
RectTransform itemBackgroundRT = itemBackground.GetComponent <RectTransform>();
itemBackgroundRT.anchorMin = Vector2.zero;
itemBackgroundRT.anchorMax = Vector2.one;
itemBackgroundRT.sizeDelta = Vector2.zero;
RectTransform itemCheckmarkRT = itemCheckmark.GetComponent <RectTransform>();
itemCheckmarkRT.anchorMin = new Vector2(0, 0.5f);
itemCheckmarkRT.anchorMax = new Vector2(0, 0.5f);
itemCheckmarkRT.sizeDelta = new Vector2(20, 20);
itemCheckmarkRT.anchoredPosition = new Vector2(10, 0);
RectTransform itemLabelRT = itemLabel.GetComponent <RectTransform>();
itemLabelRT.anchorMin = Vector2.zero;
itemLabelRT.anchorMax = Vector2.one;
itemLabelRT.offsetMin = new Vector2(20, 1);
itemLabelRT.offsetMax = new Vector2(-10, -2);
template.SetActive(false);
return(root);
}